Home / 247,569,992.20-341,631,612.66-137,557,943.56

Finding the Fourth Proportional to 247,569,992.20, 341,631,612.66 and 137,557,943.56

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Solution

The fourth proportional to 247,569,992.20, 341,631,612.66 and 137,557,943.56 is: 189,821,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,569,992.20 : 341,631,612.66 = 137,557,943.56 : x
  2. Step 2: Convert to fraction form
    247,569,992.20/341,631,612.66 = 137,557,943.56/x
  3. Step 3: Cross multiply
    247,569,992.20x = 341,631,612.66 × 137,557,943.56
  4. Step 4: Simplify right side
    247,569,992.20x = 46,994,142,092,596,064
  5. Step 5: Solve for x
    x = 46,994,142,092,596,064/247,569,992.20
  6. Step 6: Final answer
    x = 189,821,640.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.